Multicopying-machine.



No. 871,531. PATENTED NOV. 19, 1907. A. O. STALEY.

MULTIGOPYING MACHINE.

APPLICATION nun MAY 13, 1907.

2 SHEETS-SHEET l.

fit/6%? V QA/Qb M ZKMQ @3 PATENTED NOV. 19 1907.

A. G. STALEY. MULTIOOPYING MACHINE.

APPLICATION FILED MAY 13, 1907.

2 SHEETS-SHEET 2.

UNIT snares araivr semen,

AMOS C. STALEY, OF CHICAGO, ILLINOIS. MULTIGOPYING-MAGHINE.

copies or a written or printed original.

One of the salient objects of my invention is to provide a machine of the character described, wherein the printing element is a roller coated with a continuous, relatively thickcoating of gelatinous composition suitable to receive an ink impression, and to reproduce the same upon a paper sheet pressed in contact therewith.

A further object of my invention is to provide an organizedapparatus for rapidly and eifectively feeding paper-sheets to the printing roller to receive impressions therefrom, and to positively remove the paper sheet from said roller to prevent adherence of the paper thereto.

More specifically an object of my invention is. to provide such an apparatus in which printing rollers of different sizes may be used without change in the construction and adjustment of'the remaining elements of the machine, and wherein the commencement 7 of any impression will be the same in relation to each paper sheet fed.

Another object of my invention is to provide a construction in which the stripping instrumentalities for removing the paper from the. printing roller are carried by a coacting rotary pressure member, serving to maintain the paper in impression-receiving relation to 40 the printing roller, and, further to so arrange said stripping instrumentality that it may coact, with the elastic printing rollers of different sizes to automatically properly position such printing roller with respect to the coacting pressure element, the axis of which has a constant position, without damage to the printing roller.

Another object of my invention is to provide an organized apparatus of the character described, of advantageous construction,

cheap and easy of manufacture, and reliable, rapid and efficient in operation.

' Other and furtherobjects of my invention will become apparent to those skilled in-the art from the following description, taken in Specification of Letters Patent.

Application filed May 13.1907. Serial No. 373.407.

, larged details.

' ment.

Patented Nov. 19, 1907.

conjunction with the accompanying drawings, wherein:

Figure 1 is a side elevation of a machine embodying my invention; Fig. 2 is a section on line 22 of Fig. 5. Figs. 3 and 4 are en- 1 1g. 5 is a longitudinal section through the machine with the pressure roll in elevation; Fig. .6 is a sectional detail of thevpressure roll, and, Fig. 7 is a side elevationthereof' Throughout the several figures like numerals of reference refer always to like arts.

In the embodiment of my invention provide a cylindrical roller, which I will herein term the printing roll or roller, having a relatively thick, resilient or elastic coating of gelatinous composition extending continuously over its peripheral surface, an opposing pressure element arranged to coact intermittently with the printing roller to ress into contact with the surface of said ro ler a sheet of paper to receive an impression, the parts being so arranged that the said pressure element coacts with the printing roller throughout the whole, or substantially the whole, of a rotation of the printing roller, and then separates therefrom to relieve the pressure upon the paper and permit restoration of the printing roller to a predetermined initial printing position, there being provided in the machine mechanism for gripping the paper as it is fed in operative relation to the printing roller, stripping the same from the printing roller (to which the paper tends to adhere) and, preferably, means for directing the paper into operative relation to the pressure-element and printing roll, and automatic paper-stop or ositioning devices. In the preferred embo iment of my invention, herein illustrated, I provide a pressure resisting cylinder, having a segmental peripheral surface for contact with the printing roller to drive the latter in rotation, a portion of the pressure resisting cylinder-segment being peripherally 0 'en to permit the printing roller to dwell uring a portion of the revolution of the said coacting pressure ele- The printing roller is preferably yieldingly mounted with respect to the pressure cylinder segment, and 1s normally positioned so that its periphery intersects the path of rotation of the peripheral portion of said cylinder segment to a greater or less extent dependent upon the diameter of the particular printing roll employed. Preferf ably the stripping means for preventing undue adherence of the paper to the printing roll are carried by the cylinder segment and are arranged in such relation to'what I may term the front edge of the segmentthat is the edge which first coacts with the printing roll in. producl ng an impression from the latter-in such arrangement that .it operv ates to move the printing roll toproper pos1- tion. toride upon the periphery of the cylinder segment. 4 ,Also I provide in suitable relation to the parts described a feed table, and 7 paper positioningv devices movable auto roper timed relatlon to the matically in movements 0 the gripper.

In the specific embodiment of my lnvention shown,10,indicates the frame having suitably journaled therein ashaft 11, rota taibleas by means of a handle 12 and carrying thepressure-resisting element indicated as '13, and coin rising heads 194; and 14=and a se ental she], 15, said cylinder-segment being preferably hollow and open-between the ends ofthe shell 15; The heads I l-and ed wit 14 are preferably'also cut awa on the chord connecting the ends of the she I an the front end of the shell 15 1s depressed as at 16, and ,the rear end is bent Inward as at 1'7on a smooth curve; vThe gripper con-- pressed front edge 16 of the shell and ar ranged when inpos'ition shown in Fig 5 to constitute an inwardl continuation of the ell 15.

' shown in Fig. 14,. Upon the extremity. of

shaft 18, pro ectin beyondliead 14' of'the cylinder segment, mount "a small crank= arm 21 to the extremity of which is. secured a spring 22, at its op osite end secured to the head 14 said arts eing so arranged that as the gripperlp ate I9 is moved from open-to closed position the crank arm swings-l ast slot 27;in-a stationary cam member 26"'seto the frame. The configuration ofto theslot 27is su'ch as-to occasionmovements dead center, so that said spring tends to "old er either in closed position in conth'e grip the depressed edge 16 of the segitact wit mental shell, or in open position witi rthe crank arm 21 in contact with stop 23 upon thehead'14'. Upon the oppositeextremity .of tjliegripper shaft .181 mount an actuating pin '25 rov idedwith a projecti arm '24 I or coaction wrth a su te is cam adapt d.

' ol' thez -actuating'jarm 24,- resulting in the peni a d closing at the 7 'pper 19in pr lper timed relation to the "rotation I f th "ca- {28 indicates apap'er fee-a gripper 1-9.

32 extending'respectiv upwardly for coaction with two ins 33 and 34 carried by the cylinder mem er 13 and Pref erthe shell 15, and: proextending eccentric- Slots 20 are, cutjjnto' the edge of the plate 19, as best mounted iii the frame at a convenient angle substantially tangent to the peripheral-path of rotation of the cylinder segment 13. I

29indicates .in general a'paper positioning stop, preferably in the form of a light U bar having its extremities .pivoted to the. frame members 10 at approximately the level of the lower end of board 28, and extending transversely across the machine in frontof the end of said board, said member. being pro-' vided with depending stop-fingers 30, arranged in re 'ster .with the slots .20 in the out of operative position in suitable timed relation to the action ofthe'gripper 19, I preferably provide uponthe member 29 adacent oneof its pivotal oints fingers 31 and el y downwardly and traveling at different radial distances from or moving the stop into and.

the axis of rotation. A spring-3'5 connected i to the member 29 and a frame member =10 and arranged to pass -dead center during the. 4

movements of the stop member 29, tends to .hold the stopin either 0 en or closed position at either extremity"o its movement 1-pro- .duced by thepins 33 and 34-. The relative arrangem'entof these operating and timin devices is suchthat during the" rotation o the cilinderj.segment13,as the front edge-of the s ell 15 ap roaches the extremity of the feed board 28 t e gripper is opened, and immediately after'tlre said. edge of the shell passes the end of the feed board the is "closed, both by coaction of pin 2'4 andcam 25, the pr'actic y simultaneou with the closing of-the gripper 19, contact of pin 33 with am 31flifts said paper stop to. inoperative posi aper stopbeigig so arranged that tion where it remains under the influence of i spr1ng5 until about the-time when the rear extremity" of the shell 15 passes beneath the feed board '28, when the in 34strikes finger 32 of said paper stop, epressing the The 'nting roller, generally indicated at 40, pre erably com rises aninterior bodyal of wood or the like, avizng thereon a continuous," uninterrupted relatively thick bod? or q, of

coatin -of"-el'astic;gelatinous compounc suita'b e character,'1ndicated at4 2, the core 41 being loosel -:slipped upon a. carrying shaft 43 and hel against rotation thereon rhy engagement .of a recess 44 in the core with a pin 45, carried by a head 46* fixed to the shalt 43. The shaft 43isjournaie d in openfibear .at: the extremity --of; 'carryin arms 48 pivoted to the frame, as. at 49: pring's 50:

'normallyhold the "arms 4 8 .injdepressed-posi I tion in contact with the stop 51:11 m the.

ease; t e printingfroller'ejfi 1 'suchco'm- 3 *ditionsstandmg w th its intersect- 110 same and moving the stop to operative'posi- $1011 m wh ch the fingers 30 standprojec'ting downward across the end of the feed beard ing the ,peri heral path of rotation of the shell 15' of tlib pressure resisting element 13 to a greater or lessextent dependent upon the diameter of roll 40. A spring 52 connected withthe frame 10 at one end and at its 0 posite. end with the crank arm 53, car.- ried by the shaft 43 of the roll 40, normally holds said rinting roll in predetermined position, whic I may term its initial printing positionv In operation the handle 12 is rotated to' such. os itionthat the ipper 19 is opened and t e aper stop 29 epressed, a sheet of paper is aid upon the board 28 with Its top edge in contact with the stop fingers 30, and

cylinder segment 13 in contact with the paper sheet; sufficient pressure being constan'tlymaintained by the ,sprlngs 50 so that I a good impression is transferred from the printing roll to the paper. The paper tends firmly to adhere to the printing roll, but is stripped therefrom through the action of the gripper. When the rotation of the c linder segment brings the rear end of the shell 15 past the edge of the feed board-"the paper stop is depressed by pin 34 striking and passing t e finger 32 of t e paper stop, but the gripper is. not opened until it reaches nearly the uppermost position in its rotation,

so thatv the paper when freed from the gripper falls far toward the rear of the frame in positioneasiest for removal of the aper.

Within reasonable limits the size of the roll 40 may be varied to corres 0nd with the length of the sheet to receive t e im ression, it being the best practice however, to ave the printing roll always of somewhat less circumference than the peripheral measurement of shell 15 of the coacting pressure element. The peripheral length of the shell 15 should .of course be, as great as the maximum length of the paper'to be fed to the machine.

r t It will be observed that during. the opera:-

tion described the eccentric gripper, by reason of its inward curvature, acts as a means to move the printing roll to proper operating.

position for coaction with the shel of the pressure 0 linder, thecomparative springiness-or e asticity of the thick gelatinous coating of the printing roll permitting it to gripper withportion of the cylinder 13 is presented to the.

printing roll, the springs 50 return the carrying arms and the roll to idle position, while the spring 52 rotates the printing roll upon its axis to initial printing position.

It will be apparent that the construction of the machine may be varied in many respects without departure from the spirit and scope of my invention, and While I have for purposes 0 full disclosure herein specifically shown and described a particular embodlment of my machine, it will be understood that I do not intend to limit my invention thereto in its broader aspects.

Having thus described my invention, what I claim and desire to secure by Letters Patent, of the United States, is:

1. In a multi-copy machine, a cylindertively thick coating of elastic gelatinous composition, a rotatable ressure element intermittently coactin t erewith to frictionally drive said rol er, means for maintaining a pressure between the said coacting elements yielding to permit bodily repression of the printing roller, and means for restoring the printing roller to'invariable position 'when intermittently freed by the coacting pressure element.

3'. In a multicopy machine, the combination of a frame, a cylinder segment mounted 'for rotation therein, means forrotating said segment, a printing roller provided with a peripheral coating of elastic gelatinous composition, bearing" members for said-roller yieldingly mounted on the frame to normally position the printing roller to interwhen freed by the cylinsect peripherally the path of the cylinder I segment, means for directing paper between I the cylinder segment and printing roller,

and paper gripping means carried by said segment.

4. In a multi-copy machine, a driving cylv inder se ment, a cooperating rinting roller, provided with a thick perlp eral body of elastic gelatinous compositlon, yieldingl positioned to intersect peripherally the pat of the cylinder segment, and a gripper carried by the segment arranged when closed to extend inwardly in the segment from an edge of its eriphery, for ooaction with the printing rol er to move it to operative position, I

5. In a multi-copy machine, a printing rollerha'ving'an elastic peripheral coating-of gelatinous composition, a yielding support for said roller, wherein said I'OllGI'lS remov-. ably mounted, and a .pressure-reslsting ele" ment intermittently coacting' With said printing roller to drive the same, providing a segmental surface for frictionally driving the printing roller.

6, In a multico y machine, a frame, a printing roller yiel ingly supported with respect to the frame, provided with a coating of; elastic gelatinous composition; a rotatable cylinder segment mounted in the, frame for coaction with the printing roller to drive the latter means for driving said cylinder segment in rotation; means for directing 15 paper between the cylinder segment and rmting roller, paper gripping means carried y the cylinder segment arranged to move the printing roller to printing position, and means fortlming the operations of the grip- 20 per carried by the frame.

In testlmony whereof I hereunto set my hand in the presence of two wltnesses.

AMOS C. STALEY.

In the presence of- Fonnn BAIN, MARY F. ALLEN. 

